in ‧ ter ‧ fer ‧ on /ˌɪntəˈfɪərɒn $ ˌɪntərˈfɪrɑːn/ BrE AmE noun [uncountable]
[ Date: 1900-2000 ; Origin: interfere + -on chemical compound ]
a chemical substance that is produced by your body to fight against ↑ virus es that cause disease
in ‧ ter ‧ fer ‧ on /ˌɪntəˈfɪərɒn $ ˌɪntərˈfɪrɑːn/ BrE AmE noun [uncountable]
[ Date: 1900-2000 ; Origin: interfere + -on chemical compound ]
a chemical substance that is produced by your body to fight against ↑ virus es that cause disease
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012